Sea Water Reverse Osmosis System to Reduce Concentrate Volume Prior to Disposal
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United States of America Patent
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Issued Date -
Sep 25, 2014
app pub date -
Jun 9, 2014
filing date -
Aug 13, 2009
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Abstract
The present invention includes systems and methods for treatment of seawater RO system for recovering most of the water (i.e., 85-90%) from the concentrate of a brackish groundwater reverse osmosis treatment system that may use, e.g., a batch method. With proper pH control and antiscalant dosage, the batch-treatment SWRO system of the present invention can be used to recovery water from silica-saturated RO concentrate without fouling the membranes. Silica concentrations of over 1,000 mg/L are attainable with relatively minimal pre-treatment of the silica-saturated feed solution.
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